MS12-059 - Important Vulnerability in Microsoft Visio Could Allow Remote Code Execution (2733918)

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Details
Vulnerability name/brief description MS12-059 - Important Vulnerability in Microsoft Visio Could Allow Remote Code Execution (2733918)
CVE/CAN name
Vendor threat level Important
SophosLabs threat level High
Solution MS12-059
Vendor description This security update resolves a privately reported vulnerability in Microsoft Office. The vulnerability could allow remote code execution if a user opens a specially crafted Visio file. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
SophosLabs comments This Visio vulnerability already has a reduced attack surface potentially affecting only those users who have Visio installed and open a specially crafted Visio file. SophosLabs rate this as High.
SophosLabs testing result No SophosLabs testing result found
Currently known exploits No currently known exploits found
First sample seen No samples found
Discovery date 14 Aug 2012
Affected software Microsoft Visio 2010 Service Pack 1 (32-bit editions) (KB2597171)
Microsoft Visio 2010 Service Pack 1 (64-bit editions) (KB2597171)
Microsoft Visio Viewer 2010 Service Pack 1 (32-bit Edition) (KB2598287)
Microsoft Visio Viewer 2010 Service Pack 1 (64-bit Edition) (KB2598287)
References
Credits
  • MAPP
Revisions
  • August 14th, 2012 - Initial analysis written

Explanation of terms

Vulnerability Name/Brief Description:

Vendor identifier plus a brief description of the type of attack.

CVE/CAN Name:

Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:

Threat level assigned by the vendor

SophosLabs Threat Level:

Threat level assigned by SophosLabs

  • LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
  • MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
  • HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
  • CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.

Solution:

Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.

Vendor Description:

Summary of the cause and potential effect of the vulnerability provided by the vendor.

SophosLabs Comments:

SophosLabs' opinions and observations of the vulnerability in question.

SophosLabs Testing Result:

Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.

Currently Known Exploits:

List of identities for known exploits, if applicable.

First Sample Seen:

Date of the first sample seen by SophosLabs.

Discovery Date:

Date of the earliest known publically disclosed advisory.

Affected Software:

Vulnerable platforms and software versions.